|
Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)
|
12 Months Ended | ||
|---|---|---|---|
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Mar. 31, 2012
|
Mar. 26, 2011
|
Mar. 27, 2010
|
|
| Restricted investments | $ 5,786,000 | ||
| Depreciation and amortization expense on property, plant and equipment | 9,972,000 | 8,145,000 | 7,888,000 |
| Original cost of fully depreciated retired assets | 3,700,000 | ||
| Advertising expense | 1,800,000 | 1,300,000 | 1,000,000 |
| Minimum percentage of likelihood of tax benefit being realized upon ultimate settlement | 50.00% | ||
| Weighted outstanding options excluded from diluted calculation | 1,052,000 | 615,000 | 8,043,000 |
|
Maximum [Member]
|
|||
| Share-based compensation, vesting period | 4 years | ||
|
Minimum [Member]
|
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| Share-based compensation, vesting period | 0 years | ||
|
Building [Member] | Maximum [Member]
|
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| Estimated useful life | 39 years | ||
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Software [Member]
|
|||
| Estimated useful life | 3 years | ||
|
Furniture, Fixtures, Machinery And Equipment [Member] | Maximum [Member]
|
|||
| Estimated useful life | 10 years | ||
|
Furniture, Fixtures, Machinery And Equipment [Member] | Minimum [Member]
|
|||
| Estimated useful life | 3 years | ||
|
Capitalized Enterprise Resource Planning Software [Member]
|
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| Estimated useful life | 10 years | ||
|
Property, Plant And Equipment [Member]
|
|||
| Depreciation and amortization expense on property, plant and equipment | 6,300,000 | 4,800,000 | 4,300,000 |
|
Property, Plant And Equipment [Member] | Maximum [Member]
|
|||
| Estimated useful life | 39 years | ||
|
Property, Plant And Equipment [Member] | Minimum [Member]
|
|||
| Estimated useful life | 3 years | ||
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Futaihua Industrial [Member]
|
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| Percent of consolidated gross accounts receivable by customer | 28.00% | 42.00% | |
|
Hongfujin Precision [Member]
|
|||
| Percent of consolidated gross accounts receivable by customer | 14.00% | ||
|
Avnet, Inc. [Member]
|
|||
| Percent of consolidated gross accounts receivable by customer | 17.00% | ||
| Percent of sales derived from a single customer | 15.00% | 24.00% | 26.00% |
|
Apple, Inc. [Member]
|
|||
| Percent of sales derived from a single customer | 62.00% | 47.00% | 35.00% |
|
No Other Distributor [Member] | Maximum [Member]
|
|||
| Percent of consolidated gross accounts receivable by customer | 10.00% | 10.00% | |
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Ten Largest Customers [Member]
|
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| Number of customers responsible for sales concentration | 10 | ||
| Percent of sales derived from multiple customers | 74.00% | 62.00% | 54.00% |
|
No Other Customer Or Distributor [Member] | Maximum [Member]
|
|||
| Percent of sales derived from a single customer | 10.00% | 10.00% | 10.00% |
|
Letter Of Credit [Member]
|
|||
| Restricted investments | $ 0 | $ 5,800,000 | |
|
Intangible Assets [Member] | Maximum [Member]
|
|||
| Estimated useful life | 10 years | ||
|
Intangible Assets [Member] | Minimum [Member]
|
|||
| Estimated useful life | 1 year | ||
|
Acquired Intangible Assets [Member] | Maximum [Member]
|
|||
| Estimated useful life | 15 years | ||
|
Acquired Intangible Assets [Member] | Minimum [Member]
|
|||
| Estimated useful life | 4 years | ||